Today I would like to share my experience with successful migration from Cloudera to Snowflake which we managed quite quickly, only during 3 months. I am speaking about enterprise DWH migration which has 30+ TB in size and more than 2000 ETL / data preparation jobs.

Let’s migrate!
Let’s migrate!

Let’s have a closer…


DevOps or better to say DataOps for data-related projects is one of the latest trends in the software development lifecycle and as such it is a very wide term covering many areas including release management, version control, project management, and much more. Compared to an application or microservices the database…


Dataiku is one of the leaders in AI/ML segment, and their tool called Data Science Studio is really a gem, but can you use that tool as your one and only ELT / ETL tool for your cloud data warehouse? No matter if you will build it on top of…


Maybe you are preparing for your Snowflake certification and you are trying to learn what you can clone or share. Or maybe you are wondering during your daily work “can I clone this and that”? What about my new stream or task? Can I share it with my reader account…


Have you been thinking about being Snowflake certified but do not know where to start or what resources are used for learning? I recently passed both available certifications — Snowflake Core Designer Certification and SnowPro Advanced Architect certification. I would like to share my learning journey and provide some overview…


If you are using together with , you might have faced situation how to load data into column which uses VARIANT data type in Snowflake. DSS by default does not support variant type but there is a way how to do it. …


Learn how to monetize data and build data-intensive applications with the Snowflake Data Cloud.

In September 2019 I have shared , brief description about one small data project which is being developed by using cutting-edge BI cloud tools and technologies like Snowflake, AWS, Dataiku, or Apache Superset. The project which I can be part of. Today I have…


In the middle of November 2020 there was Snowflake data cloud summit conference. Naturally, it was virtual this year. There was 40+ sessions divided into several tracks covering Migration into Snowflake, Modernization of Data lake, Analytics and ML track, Data Apps Track, Industry solution spotlight, bunch of sessions with Snowflake…


Data is one of the most valuable commodities which companies have. As such valuable commodity they should be protected in right manner. Today’s world is full of data protection rules (GDPR, CCPA, HIPAA, etc.) which main aim is protecting user’s data. Such compliances specify restrictions and rules to be followed…


Recently a few people have asked me how I see the trends in BI & data area, what to focus on, what might be useful to know or learn. I’ve decided to write it down and share the link with everyone who would be interested in. So, what kind of…

Tomáš Sobotík

Lead data engineer @TietoEVRY. Currently obsessed by cloud technologies and solutions in relation to data & analytics. ☁️ ❄️

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